node_handle_namespaces.cpp
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00001 /*
00002  * Copyright (C) 2008, Morgan Quigley and Willow Garage, Inc.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *   * Redistributions of source code must retain the above copyright notice,
00007  *     this list of conditions and the following disclaimer.
00008  *   * Redistributions in binary form must reproduce the above copyright
00009  *     notice, this list of conditions and the following disclaimer in the
00010  *     documentation and/or other materials provided with the distribution.
00011  *   * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its
00012  *     contributors may be used to endorse or promote products derived from
00013  *     this software without specific prior written permission.
00014  *
00015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00025  * POSSIBILITY OF SUCH DAMAGE.
00026  */
00027 
00028 #include "ros/ros.h"
00029 #include "std_msgs/String.h"
00030 
00035 int main(int argc, char **argv)
00036 {
00037   ros::init(argc, argv, "node_handle_namespaces");
00038 
00046   ros::NodeHandle node1("level1");
00047   std::string s = node1.resolveName("a");
00049   ROS_INFO_STREAM(s);
00050 
00056   ros::NodeHandle node2(node1, "level2");
00057   s = node2.resolveName("a");
00059   ROS_INFO_STREAM(s);
00060 
00065   ros::NodeHandle node3("~");
00066   s = node3.resolveName("a");
00068   ROS_INFO_STREAM(s);
00069 
00070   return 0;
00071 }


roscpp_tutorials
Author(s): Morgan Quigley
autogenerated on Thu Jun 6 2019 20:20:05